EP3981750A4 - OPTICAL GLASS, OPTICAL ELEMENT, OPTICAL SYSTEM, INTERCHANGEABLE LENS AND OPTICAL DEVICE - Google Patents
OPTICAL GLASS, OPTICAL ELEMENT, OPTICAL SYSTEM, INTERCHANGEABLE LENS AND OPTICAL DEVICE Download PDFInfo
- Publication number
- EP3981750A4 EP3981750A4 EP20818472.1A EP20818472A EP3981750A4 EP 3981750 A4 EP3981750 A4 EP 3981750A4 EP 20818472 A EP20818472 A EP 20818472A EP 3981750 A4 EP3981750 A4 EP 3981750A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- optical
- interchangeable lens
- glass
- optical system
- optical element
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000003287 optical effect Effects 0.000 title 3
- 239000005304 optical glass Substances 0.000 title 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C3/00—Glass compositions
- C03C3/04—Glass compositions containing silica
- C03C3/062—Glass compositions containing silica with less than 40% silica by weight
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B17/00—Details of cameras or camera bodies; Accessories therefor
- G03B17/02—Bodies
- G03B17/12—Bodies with means for supporting objectives, supplementary lenses, filters, masks, or turrets
- G03B17/14—Bodies with means for supporting objectives, supplementary lenses, filters, masks, or turrets interchangeably
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B21/00—Microscopes
- G02B21/16—Microscopes adapted for ultraviolet illumination ; Fluorescence microscopes
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Glass Compositions (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019106096 | 2019-06-06 | ||
PCT/JP2020/022114 WO2020246544A1 (ja) | 2019-06-06 | 2020-06-04 | 光学ガラス、光学素子、光学系、交換レンズ及び光学装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3981750A1 EP3981750A1 (en) | 2022-04-13 |
EP3981750A4 true EP3981750A4 (en) | 2023-08-09 |
Family
ID=73653268
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20818472.1A Pending EP3981750A4 (en) | 2019-06-06 | 2020-06-04 | OPTICAL GLASS, OPTICAL ELEMENT, OPTICAL SYSTEM, INTERCHANGEABLE LENS AND OPTICAL DEVICE |
Country Status (5)
Country | Link |
---|---|
US (1) | US20220162112A1 (ja) |
EP (1) | EP3981750A4 (ja) |
JP (1) | JP7491310B2 (ja) |
CN (1) | CN113924277A (ja) |
WO (1) | WO2020246544A1 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPWO2022259974A1 (ja) * | 2021-06-07 | 2022-12-15 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6022656B2 (ja) * | 1980-08-21 | 1985-06-03 | ホ−ヤ株式会社 | 光学ガラス |
JPH0551234A (ja) * | 1991-08-22 | 1993-03-02 | Hoya Corp | アルミナ基板被覆用ガラス及びグレーズド基板 |
JPH0781973A (ja) | 1993-09-14 | 1995-03-28 | Yamamura Glass Co Ltd | ハロゲン化物ガラス |
JP2005350330A (ja) | 2004-06-14 | 2005-12-22 | Ohara Inc | 光学ガラス |
JP5305436B2 (ja) | 2008-11-05 | 2013-10-02 | パナソニック株式会社 | 光学ガラス組成物、プリフォーム及び光学素子 |
JP5865579B2 (ja) | 2010-04-30 | 2016-02-17 | 株式会社オハラ | 光学ガラス、プリフォーム材及び光学素子 |
WO2013081027A1 (ja) | 2011-12-02 | 2013-06-06 | 光ガラス株式会社 | 光学ガラス、光学素子、および光学機器 |
KR102332260B1 (ko) * | 2013-12-18 | 2021-11-26 | 호야 가부시키가이샤 | 광학 유리 및 광학 소자 |
JP6173224B2 (ja) | 2014-01-07 | 2017-08-02 | 日本電気硝子株式会社 | 光学ガラス |
CN104944770B (zh) | 2015-06-17 | 2017-12-08 | 成都光明光电股份有限公司 | 特殊色散光学玻璃 |
CN106495465A (zh) | 2016-10-27 | 2017-03-15 | 成都光明光电股份有限公司 | 光学玻璃 |
EP3686169A4 (en) * | 2017-09-21 | 2021-06-23 | Nikon Corporation | OPTICAL GLASS, OPTICAL ELEMENT OF OPTICAL GLASS, OPTICAL SYSTEM, INTERCHANGEABLE LENS AND OPTICAL DEVICE |
JP2019106096A (ja) | 2017-12-14 | 2019-06-27 | キヤノンマーケティングジャパン株式会社 | 情報処理システム、その制御方法、及びプログラム、並びに電子機器 |
-
2020
- 2020-06-04 JP JP2021524901A patent/JP7491310B2/ja active Active
- 2020-06-04 EP EP20818472.1A patent/EP3981750A4/en active Pending
- 2020-06-04 WO PCT/JP2020/022114 patent/WO2020246544A1/ja active Application Filing
- 2020-06-04 CN CN202080041562.4A patent/CN113924277A/zh active Pending
-
2021
- 2021-12-02 US US17/540,787 patent/US20220162112A1/en active Pending
Non-Patent Citations (1)
Title |
---|
No further relevant documents disclosed * |
Also Published As
Publication number | Publication date |
---|---|
JP7491310B2 (ja) | 2024-05-28 |
JPWO2020246544A1 (ja) | 2020-12-10 |
CN113924277A (zh) | 2022-01-11 |
EP3981750A1 (en) | 2022-04-13 |
WO2020246544A1 (ja) | 2020-12-10 |
US20220162112A1 (en) | 2022-05-26 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE |
|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE |
|
17P | Request for examination filed |
Effective date: 20211203 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
|
DAV | Request for validation of the european patent (deleted) | ||
DAX | Request for extension of the european patent (deleted) | ||
P01 | Opt-out of the competence of the unified patent court (upc) registered |
Effective date: 20230517 |
|
A4 | Supplementary search report drawn up and despatched |
Effective date: 20230707 |
|
RIC1 | Information provided on ipc code assigned before grant |
Ipc: G02B 1/00 20060101ALI20230703BHEP Ipc: C03C 3/062 20060101AFI20230703BHEP |